In 2013, Miloš Mestas served as the State of Israel's Director of Cultural Affairs, based at the Consulate General of Israel in Los Angeles. In this capacity, he worked to advance Israel's cultural and artistic interests.

Miloš Mestas has served as a delegate to the Institut Français' FOCUS Conference in Paris and the International Exposure conference in Jerusalem and Tel Aviv.

His publishing house, Miloš Mestas Editions, launched in 2017. It's debut publication, a series by Australian photographer Luke Austin entitled LEWA, was elease in February 2018. Book launch events were held in Los Angeles (Please Do Not Enter), New York, (Chinatown Soup), Bucharest (Carturesti Carusel), London (The Mondrian), Paris (0fr.), Berlin (P7 Gallery), and Madrid (Berkana).

He is a graduate of Parsons School of Design and Université Paris-Sorbonne.